I think the answer would be C. It is the best thought out and would definitely be perfect for what you are trying to achieve
        
                    
             
        
        
        
Answer:
Painful muscles.
Paralysis (inability to move) legs.
Joint aches (arthralgias)
Blurry vision.
"Thick tongue" with difficulty swallowing or speaking.
Excessive saliva production.
Vomiting.
Droopy eye lids (ptosis)
Explanation:
 
        
             
        
        
        
It is thanks to his jealousy that the Frog becomes the sole singer at the end of the poem.
He envied the Nightingale's talent and therefore tricked the Nightingale into practicing so much it died. After the Nightingale's death, the Frog became the only (and therefore best) singer. The Frog's success was only possible due to his jealousy. If he had not been jealous of the Nightingale, the Frog would not have become the singer he became.
        
             
        
        
        
Answer:
D
Explain: 
Roses, flowers, plants in general have a really hard time growing in the cracks of concrete. Since the rose has bloomed in a crack of concrete (Which is difficult) it's explaining how the rose didn't give up and proved nature wrong.
 
        
             
        
        
        
I don't see any underlined words in the sentence. However, I'll just post my answer based on my understanding.
Where there is water ⇒ subordinate clause
There are mosquitoes ⇒ independent clause
Independent clause is a complete sentence. It has a subject, a verb, and expresses a complete thought.
Subordinate clause is a dependent clause that starts with a conjunction. It also has a subject and a verb but it is dependent on the main clause.